Giesinger Edgar R. JR. (CIK 1658831) reported 5 SEC Form 4 insider transactions across 3 companies over the past 18 months (most recent 2026-08-25). Recent activity: Buy SEI (3,246 shares), Buy GEOS (3,500 shares), Buy MNR (12,039 shares), Buy SEI (6,052 shares), Sell SEI (10,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-25 | Solaris Energy Infrastructure, Inc. (SEI) | Director | Buy | 3,246 | $0 |
| 2026-02-09 | GEOSPACE TECHNOLOGIES CORP (GEOS) | Director | Buy | 3,500 | $0 |
| 2025-10-30 | MACH NATURAL RESOURCES LP (MNR) | Director | Buy | 12,039 | $150,006 |
| 2025-08-26 | Solaris Energy Infrastructure, Inc. (SEI) | Director | Buy | 6,052 | $0 |
| 2025-08-26 | Solaris Energy Infrastructure, Inc. (SEI) | Director | Sell | 10,000 | $288,600 |
来源：SEC Form 4 申报文件 · 截至 2026-08-25